From 96233bfc53b607f583bc01ede14b575b0cc5bddc Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Mon, 14 Dec 2020 21:47:07 +0100
Subject: [PATCH] LibGfx: Draw checked buttons with a dithered base background

This looks just so right in the taskbar. :^)
---
 Libraries/LibGfx/ClassicStylePainter.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Libraries/LibGfx/ClassicStylePainter.cpp b/Libraries/LibGfx/ClassicStylePainter.cpp
index d4087e0dcbb..44221523742 100644
--- a/Libraries/LibGfx/ClassicStylePainter.cpp
+++ b/Libraries/LibGfx/ClassicStylePainter.cpp
@@ -113,7 +113,11 @@ static void paint_button_new(Painter& painter, const IntRect& rect, const Palett
 
     if (pressed || checked) {
         // Base
-        painter.fill_rect({ 1, 1, rect.width() - 2, rect.height() - 2 }, button_color);
+        Gfx::IntRect base_rect { 1, 1, rect.width() - 2, rect.height() - 2 };
+        if (checked && !pressed)
+            painter.fill_rect_with_dither_pattern(base_rect, palette.button().lightened(1.3f), palette.button());
+        else
+            painter.fill_rect(base_rect, button_color);
 
         // Top shadow
         painter.draw_line({ 0, 0 }, { rect.width() - 2, 0 }, shadow_color2);